:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.5;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background-color: #f7f8fa;
  color: #323233;
}

#app {
  width: 100%;
  height: 100vh;
  margin: 0 auto;
}

/* Custom styles for our Todo app */
.van-checkbox__label {
  margin-left: 8px;
}

.todo-item {
  display: flex;
  align-items: center;
  width: 100%;
}

.completed {
  text-decoration: line-through;
  color: #999;
}

/* Mobile-first responsive design */
@media (min-width: 768px) {
  .content {
    max-width: 600px;
    margin: 0 auto;
  }
}
